Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 56 06 Dec 2024, 00:00

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 11:33.027 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
24.247
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.635
And I prepare Tails for memory erasure tests 0.482
When I start a process allocating 128 MiB of memory with a known pattern 1.257
Then patterns cover at least 128 MiB in the guest's memory 4.819 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.271
Then I find very few patterns in the guest's memory after 3 seconds 6.780 
Pattern coverage: 0.000% (0 MiB out of 681 MiB reference memory)
After features/support/hooks.rb:326 1.308
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.125
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.486
And I prepare Tails for memory erasure tests 0.517
And I find very few patterns in the guest's memory 3.705 
Pattern coverage: 0.000% (0 MiB out of 690 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.404
Then patterns cover at least 99% of the test FS size in the guest's memory 4.205 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.394
Then I find very few patterns in the guest's memory after 3 seconds 6.412 
Pattern coverage: 0.000% (0 MiB out of 690 MiB reference memory)
After features/support/hooks.rb:326 0.795
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.326
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.411
And I prepare Tails for memory erasure tests 0.454
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.609
Then I find very few patterns in the guest's memory 4.037 
Pattern coverage: 0.000% (0 MiB out of 707 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.797
Then patterns cover at least 75% of the test FS size in the guest's memory 4.357 
Pattern coverage: 80.708% (102 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.362
Then I find very few patterns in the guest's memory after 3 seconds 7.262 
Pattern coverage: 0.000% (0 MiB out of 707 MiB reference memory)
# read cache
When I mount the USB drive again 0.263
And I read the content of the test FS 0.898
Then patterns cover at least 99% of the test FS size in the guest's memory 4.770 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.566
Then I find very few patterns in the guest's memory after 3 seconds 7.535 
Pattern coverage: 0.000% (0 MiB out of 707 MiB reference memory)
After features/support/hooks.rb:326 0.820
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.337
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.404
And I prepare Tails for memory erasure tests 0.513
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.805
Then I find very few patterns in the guest's memory 3.173 
Pattern coverage: 0.000% (0 MiB out of 706 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.289
Then patterns cover at least 99% of the test FS size in the guest's memory 4.110 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.037
Then I find very few patterns in the guest's memory after 3 seconds 6.145 
Pattern coverage: 0.000% (0 MiB out of 706 MiB reference memory)
# read cache
When I mount the USB drive again 5.607
And I read the content of the test FS 1.594
Then patterns cover at least 99% of the test FS size in the guest's memory 3.476 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.971
Then I find very few patterns in the guest's memory after 3 seconds 6.205 
Pattern coverage: 0.000% (0 MiB out of 706 MiB reference memory)
After features/support/hooks.rb:326 1.115
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.049
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.371
And I prepare Tails for memory erasure tests 0.438
When I fill a 128 MiB file with a known pattern on the root filesystem 16.127
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.146
Then patterns cover at least 128 MiB in the guest's memory 3.073 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.878 
Pattern coverage: 0.000% (0 MiB out of 694 MiB reference memory)
After features/support/hooks.rb:326 3.557
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:39.940
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:49.695
And I prepare Tails for memory erasure tests 0.503
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.351
When I trigger shutdown 0.043
Then I find very few patterns in the guest's memory after 20 seconds 21.347 
Pattern coverage: 0.000% (0 MiB out of 750 MiB reference memory)
After features/support/hooks.rb:326 3.558
After features/support/hooks.rb:100 0.012